2 files changed, 74 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-login_tty.c b/gnulib/tests/test-login_tty.c
new file mode 100644
index 0000000..001b009
--- /dev/null
+++ b/gnulib/tests/test-login_tty.c
@@ -0,0 +1,74 @@
+/* Test of login_tty() function.
+   Copyright (C) 2010-2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+extern int login_tty (int);
+
+#include <errno.h>
+#include <pty.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <termios.h>
+#include <unistd.h>
+
+int
+main ()
+{
+  int master;
+  int slave;
+
+  /* Open a pseudo-terminal, as a master-slave pair.  */
+  {
+    int res = openpty (&master, &slave, NULL, NULL, NULL);
+    if (res != 0)
+      {
+        fprintf (stderr, "openpty returned %d\n", res);
+        return 1;
+      }
+  }
+
+  /* Create a new session and make it the controlling tty of this session.  */
+  {
+    int res = login_tty (slave);
+    if (res < 0)
+      {
+        fprintf (stderr, "login_tty failed\n");
+        return 1;
+      }
+  }
+
+  /* From here on, we cannot use stderr for error messages any more.
+     If a test fails, just abort.  */
+
+  /* Check that fd = 0, 1, 2 are now open to the controlling terminal for the
+     current process and that it is a session of its own.  */
+  {
+    int fd;
+    for (fd = 0; fd < 3; fd++)
+      if (!(tcgetpgrp (fd) == getpid ()))
+        abort ();
+    for (fd = 0; fd < 3; fd++)
+      {
+        int sid = tcgetsid (fd);
+        if (!(sid == -1 ? errno == ENOSYS : sid == getpid ()))
+          abort ();
+      }
+  }
+
+  return 0;
+}